let def_tmpl = `
<template>
<ul id="example-1">
  <li v-for="item in items" :key="item.message">
    {{ item.message }}
  </li>
</ul>
</template>

<script>
  export default {
    data() {
      return {
        items: [
         { message: 'Foo' },
         { message: 'Bar' }
        ]
      };
    }
  };
</script>
`
export default def_tmpl